https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/time/temporal/TemporalAmount.html
TemporalAmount (Java SE 11 & JDK 11 )
java sejdk
https://developer.android.com/reference/java/time/temporal/TemporalAmount?authuser=00
TemporalAmount | API reference | Android Developers
api referenceandroiddevelopers